Quartz学习笔记2(封装)

1.定义任务执行者

2.构造任务、调度任务

/**

26 * job service implements

27 * User: luowei

28 * Date: 12-7-8

29 * Time: 下午12:58

30 */

31 @Service("jobService")

32 public class JobServiceImpl implements JobService {

33

34 @Autowired

35 NewestMusicService newestMusicService;

36

37 @Autowired

38 HotestMusicService hotestMusicService;

39

40 //最新任务的名称

41 private static String getNewestJobDetailName = null;

42 //最新触发器的名称

43 private static String getNewestTriggerName = null;

44 //最新任务组

45 private static String getNewestGroup = "getNewestGroup";

46

47 /**

48 * 获取最新的任务

49 * @return 加载任务的时间

50 */

51 public Date getNewestJob(){

52

53 //调度时间

54 Date schelderDate = null;

55

56 //任务

57 JobDetail job = null;

58 String jobName = DateUtil.getYYYYMMDDHHMMSS(Calendar.getInstance().getTime())+"_getNewestJob";

59 if(getNewestJobDetailName == null){

60 job = JobUtil.initDurableJob(getNewestGroup, jobName, NewestJob.class);

61 }

62 Map<String,Object> map = new HashMap<String, Object>();

63 map.put(NewestJob.SERVICE,newestMusicService);

64 JobUtil.setData2Job(job,map);

65

66 //触发器

67 Trigger trigger = null;

68 String triName = DateUtil.getYYYYMMDDHHMMSS(Calendar.getInstance().getTime())+"_getNewestTrigger";

69 Date startTime = DateUtils.parseDate(ConfigUtil.getConfigMap().get(FinalConfig.GET_NEWEST_STARTTIME).getValue());

70 Integer intervalInHours = Integer.valueOf(ConfigUtil.getConfigMap().get(FinalConfig.NEWEST_INTERVALINHOURS).getValue());

71 if(startTime!=null && intervalInHours!=null){

72 trigger = JobUtil.initMinuteRepeatTrigger(getNewestGroup,triName,startTime,intervalInHours);

73 }

74

75 //调度任务

76 if(getNewestTriggerName == null){

77 schelderDate = JobUtil.runJob(job,trigger);

78 }else {

79 TriggerKey triggerKey = JobUtil.triggerKeyMap.get(getNewestTriggerName);

80 schelderDate = JobUtil.reSchedulerJob(triggerKey,trigger);

81 }

82

83 //给名称赋值

84 getNewestJobDetailName = jobName;

85 getNewestTriggerName = triName;

86 return schelderDate;

87 }

186 …………

187

188 }

3.封装类

JobUtil.java

1 package com.ttpod.musicSNS.util;

2

3 import org.apache.commons.lang.StringUtils;

4 import org.quartz.*;

5 import org.quartz.impl.StdSchedulerFactory;

6 import org.quartz.impl.matchers.GroupMatcher;

7 import org.slf4j.Logger;

8 import org.slf4j.LoggerFactory;

9

10 import java.util.*;

11

12 /**

13 * User: luowei

14 * Date: 12-7-9

15 * Time: 上午10:00

16 */

17 public class JobUtil {

18 protected static Logger logger = (Logger) LoggerFactory.getLogger(JobUtil.class);

19

20 /**

21 * define a scheduler ,will be a sington instance

22 */

23 private static Scheduler scheduler = null;

24

25 /**

26 * get the name with default name 'QuartzScheduler' scheduler

27 * @return

28 */

29 public static Scheduler getScheduler(){

30 if(scheduler == null){

31 SchedulerFactory schedulerFactory = new StdSchedulerFactory();

32 try {

33 scheduler = schedulerFactory.getScheduler();

34 } catch (SchedulerException e) {

35 logger.error(e.getMessage(),e);

36 }

37 }

38 return scheduler;

39 }

40

41 /**

42 * get the scheduler with named shcedulerName

43 * @param schedulerName

44 * @return

45 */

46 public static Scheduler getScheduler(String schedulerName){

47 if(scheduler == null){

48 SchedulerFactory schedulerFactory = new StdSchedulerFactory();

49 try {

50 scheduler = schedulerFactory.getScheduler(schedulerName);

51 } catch (SchedulerException e) {

52 logger.error(e.getMessage(),e);

53 }

54 }

55 return scheduler;

56 }

57

58 /**

59 * scheduler a job with specefied trigger

60 * @param job

61 * @param trigger

62 * @return

63 */

64 public static Date schedulerAJobWithTrigger(JobDetail job,Trigger trigger){

65 Date date = null;

66 if(scheduler == null){

67 scheduler = getScheduler();

68 }

69 try {

70 if(!scheduler.checkExists(job.getKey())

71 && !scheduler.checkExists(trigger.getKey())){

72 date = scheduler.scheduleJob(job,trigger);

73 }

74 } catch (SchedulerException e) {

75 logger.error(e.getMessage(),e);

76 }

77 return date;

78 }

79

80 /**

81 * Remove (delete) the <code>{@link org.quartz.Trigger}</code> with the

82 * given key, and store the new given one - which must be associated

83 * with the same job (the new trigger must have the job name & group specified)

84 * - however, the new trigger need not have the same name as the old trigger.

85 *

86 * @param triggerKey identity of the trigger to replace

87 * @param newTrigger

88 * The new <code>Trigger</code> to be stored.

89 *

90 * @return <code>null</code> if a <code>Trigger</code> with the given

91 * name & group was not found and removed from the store (and the

92 * new trigger is therefore not stored), otherwise

93 * the first fire time of the newly scheduled trigger is returned.

94 */

95 public static Date reSchedulerJob(TriggerKey triggerKey,Trigger newTrigger){

96 Date date = null;

97 try {

98 if(triggerKey != null && newTrigger != null && scheduler.isStarted())

99 date = scheduler.rescheduleJob(triggerKey,newTrigger);

100 triggerKeyMap.remove(triggerKey.getName());

101 } catch (SchedulerException e) {

102 logger.error(e.getMessage(),e);

103 }

104 return date;

105 }

106

107 /**

108 * scheduler a job with specefied trigger in a specefied shceduler

109 * @param schedulerName

110 * @param job

111 * @param trigger

112 * @return

113 */

114 public static Date schedulerAJobWithTrigger(String schedulerName,JobDetail job,Trigger trigger){

115 Date date = null;

116 if(scheduler == null){

117 scheduler = getScheduler(schedulerName);

118 }

119 try {

120 if(!scheduler.checkExists(job.getKey())

121 && scheduler.checkExists(trigger.getKey())){

122 date = scheduler.scheduleJob(job,trigger);

123 }

124 } catch (SchedulerException e) {

125 logger.error(e.getMessage(),e);

126 }

127 return date;

128 }

129

130 /**

131 * start scheduler

132 * @return

133 */

134 public static Boolean startScheduler(){

135 Boolean flag = false;

136 try {

137 if(scheduler == null){

138 scheduler = getScheduler();

139 }

140 if(!scheduler.isStarted()){

141 scheduler.start();

142 }

143 flag = true;

144 return flag;

145 } catch (SchedulerException e) {

146 logger.error(e.getMessage(),e);

147 return flag;

148 }

149 }

150

151 /**

152 * shutdown scheduler

153 * @return

154 */

155 public static Boolean shutdownScheduler(){

156 try {

157 if(scheduler != null && !scheduler.isShutdown()){

158 scheduler.shutdown();

159 }

160 return true;

161 } catch (SchedulerException e) {

162 logger.error(e.getMessage(),e);

163 return false;

164 }

165 }

166

167 /**

168 * trigger key list

169 */

170 public static Map<String,TriggerKey> triggerKeyMap = new HashMap<String,TriggerKey>();

171

172 /**

173 * get a trigger which will repeat forever with in every other specified hours

174 * @param groupName group name

175 * @param triggerName trigger name

176 * @param startTime start time

177 * @param intervalInHours interval in minutes

178 * @return the updated SimpleScheduleBuilder

179 */

180 public static Trigger initHourRepeatTrigger(String groupName,String triggerName,

181 Date startTime,Integer intervalInHours){

182 SimpleTrigger trigger = null;

183 if(StringUtils.isNotBlank(groupName) && StringUtils.isNotBlank(triggerName)

184 && startTime!=null && intervalInHours!=null){

185 trigger = (SimpleTrigger)TriggerBuilder.newTrigger()

186 .withIdentity(triggerName,groupName)

187 .withSchedule(SimpleScheduleBuilder.repeatHourlyForever(intervalInHours))

188 .build();

189 triggerKeyMap.put(triggerName, trigger.getKey());

190 }

191 return trigger;

192 }

193

194 /**

195 * get a trigger which will repeat forever with in every other specified minutes

196 * @param groupName group name

197 * @param triggerName trigger name

198 * @param startTime start time

199 * @param intervalInMinutes interval in minutes

200 * @return the updated SimpleScheduleBuilder

201 */

202 public static Trigger initMinuteRepeatTrigger(String groupName,String triggerName,

203 Date startTime,Integer intervalInMinutes){

204 SimpleTrigger trigger = null;

205 if(StringUtils.isNotBlank(groupName) && StringUtils.isNotBlank(triggerName)

206 && startTime!=null && intervalInMinutes!= null){

207 trigger = (SimpleTrigger)TriggerBuilder.newTrigger()

208 .withIdentity(triggerName,groupName)

209 .startAt(startTime)

210 .withSchedule(SimpleScheduleBuilder.repeatMinutelyForever(intervalInMinutes))

211 .build();

212 triggerKeyMap.put(triggerName, trigger.getKey());

213 }

214 return trigger;

215 }

216

217 /**

218 * get a trigger which will repeat forever with every other specified seconds

219 * @param groupName group name

220 * @param triggerName trigger name

221 * @param startTime start time

222 * @param intervalInSeconds interval in seconds

223 * @return a SimpleTrigger

224 */

225 public static Trigger initSecondRepeatTrigger(String groupName,String triggerName,

226 Date startTime,Integer intervalInSeconds){

227 SimpleTrigger trigger = null;

228 if(StringUtils.isNotBlank(groupName) && StringUtils.isNotBlank(triggerName)

229 && startTime!=null && intervalInSeconds!=null){

230 trigger = (SimpleTrigger)TriggerBuilder.newTrigger()

231 .withIdentity(triggerName,groupName)

232 .startAt(startTime)

233 .withSchedule(SimpleScheduleBuilder.repeatSecondlyForever(intervalInSeconds))

234 .build();

235 }

236 triggerKeyMap.put(triggerName, trigger.getKey());

237 return trigger;

238 }

239

240 /**

241 * set to repeat the given number of times - 1 with an interval of the given number of seconds.

242 * Note: Total count = 1 (at start time) + repeat count

243 * @param groupName group name

244 * @param triggerName trigger name

245 * @param startTime start time

246 * @param count count

247 * @param seconds seconds

248 * @return a SimpleTrigger

249 */

250 public static Trigger initRepeatCountTrigger(String groupName,String triggerName,

251 Date startTime,Integer count,Integer seconds){

252 SimpleTrigger trigger = null;

253 if(StringUtils.isNotBlank(groupName) && StringUtils.isNotBlank(triggerName)

254 && startTime!=null && count!=null && seconds!=null){

255 trigger = (SimpleTrigger)TriggerBuilder.newTrigger()

256 .withIdentity(triggerName,groupName)

257 .startAt(startTime)

258 .withSchedule(SimpleScheduleBuilder.repeatSecondlyForTotalCount(count,seconds))

259 .build();

260 triggerKeyMap.put(triggerName, trigger.getKey());

261 }

262 return trigger;

263 }

264

265 /**

266 * Create a CronTrigger with the given cron-expression string - which

267 * is presumed to b e valid cron expression (and hence only a RuntimeException

268 * will be thrown if it is not).

269 * @param groupName

270 * @param triggerName

271 * @param startTime

272 * @param cronExpression

273 * @return a CronTrigger

274 */

275 public static Trigger initCronTrigger(String groupName,String triggerName,

276 Date startTime,String cronExpression){

277 CronTrigger trigger = null;

278 if(StringUtils.isNotBlank(groupName) && StringUtils.isNotBlank(triggerName)

279 && StringUtils.isNotBlank(cronExpression) && startTime!=null){

280 trigger = (CronTrigger)TriggerBuilder.newTrigger()

281 .withIdentity(triggerName,groupName)

282 .startAt(startTime)

283 .withSchedule(CronScheduleBuilder.cronSchedule(cronExpression))

284 .build();

285 triggerKeyMap.put(triggerName, trigger.getKey());

286 }

287 return trigger;

288 }

289

290 public static Map<String,JobKey> jobKeyMap = new HashMap<String,JobKey>();

291

292 /**

293 * init a job with the specified jobName,groupName and clazz

294 *

295 * @param groupName

296 * @param jobName

297 * @param clazz

298 * @return

299 */

300 public static JobDetail initJob(String groupName, String jobName, Class<? extends Job> clazz){

301 JobDetail job = null;

302 if(StringUtils.isNotBlank(jobName) && StringUtils.isNotBlank(groupName) && clazz!=null){

303 job = JobBuilder.newJob((Class<? extends Job>) clazz)

304 .withIdentity(jobName,groupName)

305 .build();

306 jobKeyMap.put(jobName, job.getKey());

307 }

308 return job;

309 }

310

311 /**

312 * init durable job

313 * @param groupName

314 * @param jobName

315 * @param clazz

316 * @return

317 */

318 public static JobDetail initDurableJob(String groupName, String jobName, Class<? extends Job> clazz){

319 JobDetail job = null;

320 if(StringUtils.isNotBlank(jobName) && StringUtils.isNotBlank(groupName) && clazz!=null){

321 job = JobBuilder.newJob((Class<? extends Job>) clazz)

322 .withIdentity(jobName,groupName)

323 .storeDurably()

324 .build();

325 jobKeyMap.put(jobName, job.getKey());

326 }

327 return job;

328 }

329

330 /**

331 * add data to JobDetail,which data were stored in map

332 * @param jobDetail jobDetail

333 * @param map map

334 * @return

335 */

336 public static Boolean setData2Job(JobDetail jobDetail,Map<? extends String,? extends Object> map){

337 if(jobDetail!=null && map!=null){

338 jobDetail.getJobDataMap().putAll(map);

339 return true;

340 }else{

341 return false;

342 }

343 }

344

345 /**

346 * add data to Trigger,which data were stored in map

347 * @param trigger trigger

348 * @param map map

349 * @return

350 */

351 public static Boolean setData2Trigger(Trigger trigger,Map<? extends String,? extends Object> map) {

352 if(trigger!=null && map!=null){

353 trigger.getJobDataMap().putAll(map);

354 return true;

355 }else {

356 return false;

357 }

358 }

359

360 /**

361 * delete a job with specified jobName,this oporater will delete the job from Scheduler,

362 * and remove the Entry Element which key equals jobName from global varible jobkeyMap

363 * @param jobName

364 * @return

365 */

366 public static Boolean delJob(String jobName){

367 Boolean flag = false;

368 if(StringUtils.isNotBlank(jobName)){

369 JobKey jobKey = jobKeyMap.get(jobName);

370 try {

371 scheduler.deleteJob(jobKey);

372 jobKeyMap.remove(jobName);

373 flag = true;

374 } catch (SchedulerException e) {

375 logger.error(e.getMessage(),e);

376 flag = false;

377 }

378 }

379 return flag;

380 }

381

382 /**

383 * delete all jobs,this oporater will delete the job from Scheduler,

384 * and remove the Entry Element which key equals jobName from global varible jobkeyMap

385 * @return

386 */

387 public static Boolean delAllJob(){

388 Boolean flag = false;

389 try {

390 List<JobKey> jobKeyList = new ArrayList<JobKey>();

391 jobKeyList.addAll(jobKeyMap.values());

392 scheduler.deleteJobs(jobKeyList);

393 jobKeyMap.clear();

394 flag = true;

395 } catch (SchedulerException e) {

396 logger.error(e.getMessage(),e);

397 flag = false;

398 }

399 return flag;

400 }

401

402 /**

403 * Resume (un-pause) the <code>{@link org.quartz.JobDetail}</code> with

404 * the given key.

405 *

406 * <p>

407 * If any of the <code>Job</code>'s<code>Trigger</code> s missed one

408 * or more fire-times, then the <code>Trigger</code>'s misfire

409 * instruction will be applied.

410 * </p>

411 * @param jobName

412 * @return

413 */

414 public static Boolean pauseJob(String jobName){

415 Boolean flag = false;

416 if(StringUtils.isNotBlank(jobName)){

417 JobKey jobKey = jobKeyMap.get(jobName);

418 try {

419 scheduler.pauseJob(jobKey);

420 flag = true;

421 } catch (SchedulerException e) {

422 logger.error(e.getMessage(),e);

423 flag = false;

424 }

425 }

426 return flag;

427 }

428

429 /**

430 * Resume (un-pause) the <code>{@link org.quartz.JobDetail}</code> with

431 * the given key.

432 *

433 * <p>

434 * If any of the <code>Job</code>'s<code>Trigger</code> s missed one

435 * or more fire-times, then the <code>Trigger</code>'s misfire

436 * instruction will be applied.

437 * </p>

438 *

439 * @param jobName jobName

440 * @return

441 */

442 public static Boolean resumeJob(String jobName){

443 Boolean flag = false;

444 if(StringUtils.isNotBlank(jobName)){

445 JobKey jobKey = jobKeyMap.get(jobName);

446 try {

447 scheduler.resumeJob(jobKey);

448 flag = true;

449 } catch (SchedulerException e) {

450 logger.error(e.getMessage(),e);

451 flag = false;

452 }

453 }

454 return flag;

455 }

456

457 /**

458 * Remove the indicated <code>{@link Trigger}</code> from the scheduler.

459 *

460 * <p>If the related job does not have any other triggers, and the job is

461 * not durable, then the job will also be deleted.</p>

462 */

463 public static Boolean unscheduleJob(String triggerName){

464 Boolean flag = false;

465 if(StringUtils.isNotBlank(triggerName)){

466 TriggerKey triggerKey = triggerKeyMap.get(triggerName);

467 try {

468 scheduler.unscheduleJob(triggerKey);

469 flag = true;

470 } catch (SchedulerException e) {

471 logger.error(e.getMessage(),e);

472 flag = false;

473 }

474 }

475 return flag;

476 }

477

478 /**

479 * Remove all of the indicated <code>{@link Trigger}</code>s from the scheduler.

480 *

481 * <p>If the related job does not have any other triggers, and the job is

482 * not durable, then the job will also be deleted.</p>

483 *

484 * <p>Note that while this bulk operation is likely more efficient than

485 * invoking <code>unscheduleJob(TriggerKey triggerKey)</code> several

486 * times, it may have the adverse affect of holding data locks for a

487 * single long duration of time (rather than lots of small durations

488 * of time).</p>

489 */

490 public static Boolean unscheduleJobs(){

491 Boolean flag = false;

492 try {

493 List<TriggerKey> triggerKeyList = new ArrayList<TriggerKey>();

494 triggerKeyList.addAll(triggerKeyMap.values());

495 scheduler.unscheduleJobs(triggerKeyList);

496 flag = true;

497 } catch (SchedulerException e) {

498 logger.error(e.getMessage(),e);

499 flag = false;

500 }

501 return flag;

502 }

503

504 /**

505 * delete a trigger with specified triggerName,this operate will delete the job from Scheduler,

506 * and remove the Entry Element which key equals jobName from global varible jobkeyMap

507 * @param triggerName

508 * @return

509 */

510 public static Boolean pauseTrigger(String triggerName){

511 Boolean flag = false;

512 if(StringUtils.isNotBlank(triggerName)){

513 TriggerKey triggerKey = triggerKeyMap.get(triggerName);

514 try {

515 scheduler.pauseTrigger(triggerKey);

516 flag = true;

517 } catch (SchedulerException e) {

518 logger.error(e.getMessage(),e);

519 flag = false;

520 }

521 }

522 return flag;

523 }

524

525 /**

526 * Resume (un-pause) the <code>{@link Trigger}</code> with the given

527 * key.

528 *

529 * <p>

530 * If the <code>Trigger</code> missed one or more fire-times, then the

531 * <code>Trigger</code>'s misfire instruction will be applied.

532 * </p>

533 * @param triggerName

534 * @return

535 */

536 public static Boolean resumeTrigger(String triggerName){

537 Boolean flag = false;

538 if(StringUtils.isNotBlank(triggerName)){

539 TriggerKey triggerKey = triggerKeyMap.get(triggerName);

540 try {

541 scheduler.resumeTrigger(triggerKey);

542 flag = true;

543 } catch (SchedulerException e) {

544 logger.error(e.getMessage(),e);

545 flag = false;

546 }

547 }

548 return flag;

549 }

550

551 /**

552 * Pause all triggers - similar to calling <code>pauseTriggerGroup(group)</code>

553 * on every group, however, after using this method <code>resumeAll()</code>

554 * must be called to clear the scheduler's state of 'remembering' that all

555 * new triggers will be paused as they are added.

556 * @return

557 */

558 public static Boolean pauseAll(){

559 Boolean flag = false;

560 try {

561 scheduler.pauseAll();

562 flag = true;

563 } catch (SchedulerException e) {

564 logger.error(e.getMessage(),e);

565 flag = false;

566 }

567 return flag;

568 }

569

570 /**

571 * Resume (un-pause) all triggers - similar to calling

572 * <code>resumeTriggerGroup(group)</code> on every group.

573 *

574 * <p>

575 * If any <code>Trigger</code> missed one or more fire-times, then the

576 * <code>Trigger</code>'s misfire instruction will be applied.

577 * </p>

578 * @return

579 */

580 public static Boolean resumeAll(){

581 Boolean flag = false;

582 try {

583 scheduler.resumeAll();

584 flag = true;

585 } catch (SchedulerException e) {

586 logger.error(e.getMessage(),e);

587 flag = false;

588 }

589 return flag;

590 }

591

592 /**

593 * run a job with specified trigger

594 * @param job job

595 * @param trigger trigger

596 * @return

597 */

598 public static Date runJob(JobDetail job,Trigger trigger){

599 Date date = null;

600 if(job!=null && trigger!=null){

601 startScheduler();

602 date = schedulerAJobWithTrigger(job,trigger);

603 }

604 return date;

605 }

606

607 // public static Trigger getTrigger(String getNewestTriggerName){}

608

609 }

610